<template>
<view class="my_goods">
	<view class="goods-item">
	  <!-- 商品左侧图片区域 -->
	  <view class="goods-item-left">
		  <radio :checked="goods.goods_state" color="#c00000" v-show="showRadio" @click="radioClickHandler"></radio>
	    <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
	  </view>
	  <!-- 商品右侧信息区域 -->
	  <view class="goods-item-right">
	    <!-- 商品标题 -->
	    <view class="goods-name">{{goods.goods_name}}</view>
	    <view class="goods-info-box">
	      <!-- 商品价格 -->
	      <view class="goods-price">￥{{goods.goods_price | toFixed}}</view>
		  <!-- 商品数量 -->
		  <uni-number-box :min="1" :value="goods.goods_count" @change="numChangeHandler" v-show="showNum"></uni-number-box>
	    </view>
	  </view>
	</view>
</view>
</template>

<script>
  export default {
    // 定义 props 属性，用来接收外界传递到当前组件的数据
    props: {
      // 商品的信息对象
      goods: {
        type: Object,
        defaul: {},
      },
	  showRadio:{
		  type:Boolean,
		  // 默认不展示radio
		  default:false
	  },
	   // 是否展示价格右侧的 NumberBox 组件
	   showNum: {
	       type: Boolean,
	       default: false,
	      },
    },
    data() {
      return {
        // 默认的空图片
        defaultPic: 'https://img2.baidu.com/it/u=3647216708,4098252510&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=375',
      }
    },
	filters:{
		// 处理价格,把价格处理成带两位小数点的数字
		toFixed(num){
			return Number(num).toFixed(2)
		}
	},
	methods:{
		radioClickHandler(){
			// 通过this.$emiT()触发外界通过@绑定的radio-change事件
			// 同时把商品的id和勾选状态,作为参数传递给radio-change事件处理函数
			this.$emit('radio-change',{
				// 商品的if
				goods_id:this.goods.goods_id,
				// 商品最新的勾选状态
				goods_state:!this.goods.goods_statenumberChangeHandler
			})
		},
		// numberbox组件的change事件处理函数
		numChangeHandler(val){
			// 通过this.$emit()出触发外界@绑定的num-change事件
			this.$emit('num-change',{
				// 商品的id
				goods_id:this.goods.goods_id,
				// 商品的最新数量
				goods_count:+val
			})
		}
	}
  }
</script>

<style lang="scss">
  .goods-item {
    display: flex;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  
    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

    .goods-item-right {
      display: flex;
	  flex: 1;
      flex-direction: column;
      justify-content: space-between;

      .goods-name {
        font-size: 13px;
      }

      .goods-info-box {
        display: flex;
        align-items: center;
        justify-content: space-between;
      }
      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
  /deep/.uni-input-wrapper {
		background-color: #eee;
	  }
/deep/.uni-numbox{
	border: 1px solid #eee;
}
</style>